{"id":4004,"date":"2025-09-18T11:12:00","date_gmt":"2025-09-18T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-pcl-express-pcie\/"},"modified":"2026-06-10T01:17:04","modified_gmt":"2026-06-10T01:17:04","slug":"what-is-pcl-express-pcie","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-pcl-express-pcie","title":{"rendered":"PCI \uc775\uc2a4\ud504\ub808\uc2a4(PCIe)\ub780 \ubb34\uc5c7\uc778\uac00? \uc815\uc758, \ubc84\uc804, \ubc0f \uc751\uc6a9 \ubd84\uc57c"},"content":{"rendered":"

\u27a3 <\/strong>PCI \uc775\uc2a4\ud504\ub808\uc2a4(PCIe)\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n

PCI \uc775\uc2a4\ud504\ub808\uc2a4(Peripheral Component Interconnect Express, PCIe)<\/strong> \ud575\uc2ec \ud558\ub4dc\uc6e8\uc5b4 \uad6c\uc131 \uc694\uc18c\u2014\uc608: \uadf8\ub798\ud53d \uce74\ub4dc, SSD, \ub124\ud2b8\uc6cc\ud06c \uc5b4\ub311\ud130\u2014\ub97c \ucef4\ud4e8\ud130 \ub9c8\ub354\ubcf4\ub4dc\uc5d0 \uc5f0\uacb0\ud558\ub294 \uace0\uc18d \uc778\ud130\ud398\uc774\uc2a4 \ud45c\uc900\uc785\ub2c8\ub2e4. \uc774\ub294 \uc774\uc804\uc758 PCI \ubc0f PCI-X \ud45c\uc900\uc744 \ub300\uccb4\ud558\uba70, \uc9c1\ub82c(point-to-point) \uc544\ud0a4\ud14d\ucc98\ub97c \ucc44\ud0dd\ud569\ub2c8\ub2e4.<\/strong>, \uc774\ub85c \uc778\ud574 \ub354 \ub192\uc740 \ub300\uc5ed\ud3ed\uacfc \ub0ae\uc740 \uc9c0\uc5f0 \uc2dc\uac04\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uac01 PCIe \uc7a5\uce58\ub294 \uc804\uc6a9 \ub808\uc778(lane)\uc744 \ud1b5\ud574 \uc2dc\uc2a4\ud15c\uacfc \ud1b5\uc2e0\ud569\ub2c8\ub2e4.<\/strong>\ub808\uc778 \ud55c \uac1c\ub294 x1\ub85c \ud45c\uc2dc\ub418\uba70,<\/strong>, \ub354 \ub113\uc740 \uc5f0\uacb0\uc740 x4, x8, x16 \ub610\ub294 x32\uae4c\uc9c0 \ud655\uc7a5\ub418\uc5b4, \ube44\ub840\uc801\uc73c\ub85c \ub354 \ud070 \ucc98\ub9ac\ub7c9\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\uc5f0\ud55c \uc124\uacc4 \ub355\ubd84\uc5d0 PCIe\ub294 \uc785\ubb38\uae09 \ucd94\uac00 \uce74\ub4dc\ubd80\ud130 \uace0\uc131\ub2a5 GPU \ubc0f \uc2a4\ud1a0\ub9ac\uc9c0 \uc194\ub8e8\uc158\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc6a9\ub3c4\uc5d0 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>, PCIe \uc138\ub300 \ubc0f \ub300\uc5ed\ud3ed.<\/p>\n\n\n\n

\"What<\/figure>\n\n\n\n

\u27a3 <\/strong>PCIe\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \ud2b9\uc9d5 \uc911 \ud558\ub098\ub294 \uc9c0\uc18d\uc801\uc778 \uc9c4\ud654\uc785\ub2c8\ub2e4. \uac01 \uc138\ub300\ub294 \uc774\uc804 \uc138\ub300\uc758 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c 2\ubc30\ub85c \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \uc810\uc810 \ub354 \ub192\uc740 \uc131\ub2a5\uc744 \uc694\uad6c\ud558\ub294 \uc751\uc6a9 \ubd84\uc57c\uc640\uc758 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4:<\/h2>\n\n\n\n

PCIe \uc138\ub300<\/p>\n\n\n\n

\n\n<\/colgroup>

\uc804\uc1a1 \uc18d\ub3c4(\ub808\uc778\ub2f9)<\/strong><\/p><\/th>

\ub300\uc5ed\ud3ed(x16 \uc2ac\ub86f \uae30\uc900)<\/strong><\/p><\/th>

\ucd9c\uc2dc \uc5f0\ub3c4<\/strong><\/p><\/th>

PCIe 3.0<\/strong><\/p><\/th><\/tr>

8 GT\/s(\ub808\uc778\ub2f9 \uc57d 1 GB\/s)<\/strong><\/p><\/td>

\uc57d 16 GB\/s<\/p><\/td>

PCIe 4.0<\/p><\/td>

2010<\/p><\/td><\/tr>

16 GT\/s(\ub808\uc778\ub2f9 \uc57d 2 GB\/s)<\/strong><\/p><\/td>

\uc57d 32 GB\/s<\/p><\/td>

PCIe 5.0<\/p><\/td>

2017<\/p><\/td><\/tr>

32 GT\/s(\ub808\uc778\ub2f9 \uc57d 4 GB\/s)<\/strong><\/p><\/td>

\uc57d 64 GB\/s<\/p><\/td>

PCIe 6.0<\/p><\/td>

2019<\/p><\/td><\/tr>

PAM4 + FEC \uae30\uc220 \uc801\uc6a9 \uc2dc 64 GT\/s<\/strong><\/p><\/td>

\uc57d 128 GB\/s<\/p><\/td>

\ud558\uc704 \ud638\ud658\uc131(backward compatibility) \ub355\ubd84\uc5d0 PCIe 4.0 \uce74\ub4dc\ub294 PCIe 3.0 \uc2ac\ub86f\uc5d0\uc11c\ub3c4 \uc791\ub3d9\ud558\uc9c0\ub9cc, \uc131\ub2a5\uc740 \ub0ae\uc740 \ud45c\uc900\uc5d0 \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/p><\/td>

2022<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

PCIe\uac00 \uc911\uc694\ud55c \uc774\uc720.<\/p><\/blockquote>\n\n\n\n

\u27a3 <\/strong>\uadf8\ub798\ud53d \ucc98\ub9ac \uc7a5\uce58(GPU)<\/h2>\n\n\n\n

\ucd5c\uc2e0 GPU\ub294 \uac8c\uc784, AI \ud559\uc2b5, \uacfc\ud559 \uc2dc\ubbac\ub808\uc774\uc158 \ub4f1\uc5d0 \ud544\uc694\ud55c \ubc29\ub300\ud55c \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574 PCIe x16 \uc5f0\uacb0\uc744 \uc758\uc874\ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n

NVMe \uc194\ub9ac\ub4dc \uc2a4\ud14c\uc774\ud2b8 \ub4dc\ub77c\uc774\ube0c(SSD).<\/p>\n\n\n\n

SATA \ub4dc\ub77c\uc774\ube0c\uc640 \ub2ec\ub9ac,<\/h3>\n\n\n\n

NVMe, SSD\ub294 PCIe \ub808\uc778\uc744 \ud65c\uc6a9\ud558\uc5ec PCIe 4.0 \uae30\uc900\uc73c\ub85c 7 GB\/s\ub97c \ucd08\uacfc\ud558\ub294 \uc77d\uae30\/\uc4f0\uae30 \uc18d\ub3c4\ub97c \ub2ec\uc131\ud568\uc73c\ub85c\uc368 \uc2dc\uc2a4\ud15c \ubc18\uc751 \uc18d\ub3c4\ub97c \ud68d\uae30\uc801\uc73c\ub85c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/a> \ub124\ud2b8\uc6cc\ud0b9 \ubc0f \ub370\uc774\ud130 \uc13c\ud130.<\/p>\n\n\n\n

\uace0\uc18d<\/h3>\n\n\n\n

, FPGA \uac00\uc18d\uae30, \uc2a4\ud1a0\ub9ac\uc9c0 \ucee8\ud2b8\ub864\ub7ec \ub4f1\uc740 \ud074\ub77c\uc6b0\ub4dc \ucef4\ud4e8\ud305 \ubc0f \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc11c\ubc84\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 PCIe\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. NIC<\/a>, \uae30\uc220\uc801 \uc544\ud0a4\ud14d\ucc98.<\/p>\n\n\n\n

\u27a3 <\/strong>PCIe \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd\uc740 \uc8fc\ub85c \uc138 \uac00\uc9c0 \uacc4\uce35\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4:<\/h2>\n\n\n\n

\ud2b8\ub79c\uc7ad\uc158 \uacc4\uce35(Transaction Layer):<\/p>\n\n\n\n